526     ccp_options *go = &ccp_gotoptions[f->unit];  local
529     *go = ccp_wantoptions[f->unit];
536     if (go->bsd_compress) {
541 	    go->bsd_compress = 0;
543     if (go->deflate) {
544 	if (go->deflate_correct) {
550 		go->deflate_correct = 0;
552 	if (go->deflate_draft) {
558 		go->deflate_draft = 0;
560 	if (!go->deflate_correct && !go->deflate_draft)
561 	    go->deflate = 0;
563     if (go->predictor_1) {
567 	    go->predictor_1 = 0;
569     if (go->predictor_2) {
573 	    go->predictor_2 = 0;
584     ccp_options *go = &ccp_gotoptions[f->unit];  local
586     return (go->bsd_compress? CILEN_BSD_COMPRESS: 0)
587 	+ (go->deflate && go->deflate_correct ? CILEN_DEFLATE : 0)
588 	+ (go->deflate && go->deflate_draft ? CILEN_DEFLATE : 0)
589 	+ (go->predictor_1? CILEN_PREDICTOR_1: 0)
590 	+ (go->predictor_2? CILEN_PREDICTOR_2: 0);
603     ccp_options *go = &ccp_gotoptions[f->unit];  local
611     if (go->deflate) {
612 	p[0] = go->deflate_correct? CI_DEFLATE: CI_DEFLATE_DRAFT;
614 	p[2] = DEFLATE_MAKE_OPT(go->deflate_size);
622 	    if (res < 0 || go->deflate_size <= DEFLATE_MIN_SIZE+1) {
623 		go->deflate = 0;
626 	    --go->deflate_size;
627 	    p[2] = DEFLATE_MAKE_OPT(go->deflate_size);
630 	if (p != p0 && go->deflate_correct && go->deflate_draft) {
638     if (go->bsd_compress) {
641 	p[2] = BSD_MAKE_OPT(BSD_CURRENT_VERSION, go->bsd_bits);
651 		if (res < 0 || go->bsd_bits <= BSD_MIN_BITS) {
652 		    go->bsd_compress = 0;
655 		--go->bsd_bits;
656 		p[2] = BSD_MAKE_OPT(BSD_CURRENT_VERSION, go->bsd_bits);
664     if (go->predictor_1) {
668 	    go->predictor_1 = 0;
673     if (go->predictor_2) {
677 	    go->predictor_2 = 0;
683     go->method = (p > p0)? p0[0]: -1;
698     ccp_options *go = &ccp_gotoptions[f->unit];  local
701     if (go->deflate && go->deflate_correct) {
704 	    || p[2] != DEFLATE_MAKE_OPT(go->deflate_size)
713     if (go->deflate && go->deflate_draft) {
716 	    || p[2] != DEFLATE_MAKE_OPT(go->deflate_size)
725     if (go->bsd_compress) {
728 	    || p[2] != BSD_MAKE_OPT(BSD_CURRENT_VERSION, go->bsd_bits))
736     if (go->predictor_1) {
746     if (go->predictor_2) {
773     ccp_options *go = &ccp_gotoptions[f->unit];  local
778     try = *go;
780     if (go->deflate && go->deflate_correct && len >= CILEN_DEFLATE &&
792 	else if (DEFLATE_SIZE(p[2]) < go->deflate_size)
798     if (go->deflate && go->deflate_draft && len >= CILEN_DEFLATE &&
813 	else if (DEFLATE_SIZE(p[2]) < go->deflate_size)
822     if (go->bsd_compress && len >= CILEN_BSD_COMPRESS &&
832 	else if (BSD_NBITS(p[2]) < go->bsd_bits)
845 	*go = try;
858     ccp_options *go = &ccp_gotoptions[f->unit];  local
861     try = *go;
870     if (go->deflate && go->deflate_correct && len >= CILEN_DEFLATE &&
872 	if (p[2] != DEFLATE_MAKE_OPT(go->deflate_size)
879     if (go->deflate && go->deflate_draft && len >= CILEN_DEFLATE &&
881 	if (p[2] != DEFLATE_MAKE_OPT(go->deflate_size)
890     if (go->bsd_compress && len >= CILEN_BSD_COMPRESS
892 	if (p[2] != BSD_MAKE_OPT(BSD_CURRENT_VERSION, go->bsd_bits))
898     if (go->predictor_1 && len >= CILEN_PREDICTOR_1
904     if (go->predictor_2 && len >= CILEN_PREDICTOR_2
915 	*go = try;
1218     ccp_options *go = &ccp_gotoptions[f->unit];  local
1226     if (ANY_COMPRESS(*go)) {
1228 	    if (go->method == ho->method) {
1229 		notice("%s compression enabled", method_name(go, ho));
1231 		(void) strlcpy(method1, method_name(go, NULL), sizeof(method1));
1236 	    notice("%s receive decompression enabled", method_name(go, NULL));